Early experiments

In the early days of studying photosynthesis, Joseph Priestley performed an experiment with a bell jar containing a burning candle, a mint plant, and a mouse.

What were his observations/conclusions from the experiment?

(Choice A)
The mouse and the burning candle needed the same substance present in the air.
(Choice B)
The burning candle was extinguished by something released in the air by the mint plant.
(Choice C)
The mouse removed something from the air that it needed to survive.
(Choice D)
The burning candle and the mint plant added the same thing to the air.

UP Class 11th Biology

Course: UP Class 11th Biology > Unit 11

Problem